/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 38917
 * Date: 2025/6/13
 * Time: 03:51
 */

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main1(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String str = in.nextLine();
            String[] array = str.split(" ");
            System.out.println(array[array.length - 1].length());
        }
    }
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String str = in.nextLine();
            int index = str.lastIndexOf(" ");
            String substring = str.substring(index + 1);
            System.out.println(substring.length());
        }
    }
}